KAPPA/LAMBDA QUANTITATIVE FREE LIGHT CHAINS WITH RATIO, SERUM

Mnemonic

KAPLAMQ

Guidelines

This assay is highly sensitive to increasing concentrations of monoclonal free kappa or free lambda light chains in the serum of patients with evolving or relapsing myelomas.

Specimen Collection Requirements

Collect

Serum, one gold (SST) top tube

Handling

Remove serum from cells ASAP.

Preferred Volume

2.0 mL

Minimum Volume

0.5 mL

Transport

Refrigerated

Rejection Criteria

Plasma or ambient specimens

Stability

Ambient: Unacceptable; Refrigerated: 3 weeks; Frozen: 6 months

Testing Information

Performed

Sun-Sat

Reported

1-5 days

Method

Nephelometry

Referral Lab

ARUP (55167)

Reference Values

Reference Values

Interpretation provided.

CPT Codes

83520 x2

Last Updated: Thursday, January 5, 2017 03:42:04 AM